EDL1216CASA-10-E データシートの表示（PDF） - Elpida Memory, Inc

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EDL1216CASA-10-E

128M bits Mobile RAM

Elpida Memory, Inc 

EDL1216CASA

Synchronous Characteristics

Parameter

Clock cycle time

(CL= 2)

(CL= 3)

Access time from CLK

(CL= 2)

(CL= 3)

CLK high level width

CLK low level width

Data-out hold time

Data-out low-impedance time

Data-out high-impedance time

(CL= 2)

(CL= 3)

Data-in setup time

Data-in hold time

Address setup time

Address hold time

CKE setup time

CKE hold time

CKE setup time (Power down exit)

Command (/CS, /RAS, /CAS, /WE,

UDQM, LDQM) setup time

Command (/CS, /RAS, /CAS, /WE,

UDQM, LDQM) hold time

Note: 1. Output load.

Symbol

tCK2

tCK3

tAC2

tAC3

tCH

tCL

tOH

tLZ

tHZ2

tHZ3

tDS

tDH

tAS

tAH

tCKS

tCKH

tCKSP

tCMS

tCMH

Output

min.

15

10

—

—

3

3

3

0

3

3

2

1

2

1

2

1

2

2

1

Z = 50 Ω

max.

—

—

7

6

—

—

—

—

7

6

—

—

—

—

—

—

—

—

—

30 pF

Output load

Asynchronous Characteristics

Parameter

Symbol

ACT to REF/ACT command period (operation) tRC

ACT to REF/ACT command period (refresh) tRC1

ACT to PRE command period

tRAS

PRE to ACT command period

tRP

Delay time ACT to READ/WRITE command

tRCD

ACT (one) to ACT (another) command period tRRD

Data-in to PRE command period

Data-in to ACT (REF) command period

(Auto precharge)

(CL = 2)

(CL = 3)

tDPL

TDAL2

TDAL3

Mode register set cycle time

tRSC

Transition time

tT

Refresh time (4,096 refresh cycles)

tREF

min.

90

90

60

30

30

20

20

2CLK + 30

2CLK + 30

2

1

64

max.





120000















30



Unit

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

ns

Unit

ns

ns

ns

ns

ns

ns

ns

ns

ns

CLK

ns

ms

Note

1

1

1

Notes

Data Sheet E0195E30 (Ver. 3.0)

8

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